CAIE IGCSE Physics 3.1.4 Recall Use for Wave Speed V F Questions

Practise calculating wave speed, frequency and wavelength with v = fλ, unit conversions and medium speeds using CAIE IGCSE Physics questions and mark schemes.

Exam points

Calculate wave speed, frequency or wavelength using v = fλ, converting units and selecting the correct medium speed.

[Maximum number: 1]

The table shows information about different colours of light.

colour<br>of light	frequency $/ \mathrm{Hz}$
violet	$7.2 \times 10^{14}$
blue	$6.3 \times 10^{14}$
yellow	$5.2 \times 10^{14}$
red	$4.5 \times 10^{14}$

Using the data, what is the frequency of orange light?

$4.0 \times 10^{14} \mathrm{~Hz}$

$5.0 \times 10^{14} \mathrm{~Hz}$

$6.0 \times 10^{14} \mathrm{~Hz}$

$7.0 \times 10^{14} \mathrm{~Hz}$

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CAIE IGCSE Physics 3.1.4 Recall Use for Wave Speed V F Questions question 1